src/Tizen.Messaging/Tizen.Messaging.Email/EmailSender.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using System.Collections.Generic;
  19 using System.Threading.Tasks;
  20
  21 namespace Tizen.Messaging.Email
  22 {
  23     /// <summary>
  24     /// This class is used to send email messages.
  25     /// </summary>
  26     /// <since_tizen> 3 </since_tizen>
  27     public static class EmailSender
  28     {
  29         static private Dictionary<int, Interop.Email.EmailSentCallback> _sendCbMap = new Dictionary<int, Interop.Email.EmailSentCallback>();
  30         static private int _callbackId = 0;
  31
  32         /// <summary>
  33         /// Sends the email message.
  34         /// </summary>
  35         /// <param name="email">The email message.</param>
  36         /// <returns> Failure if the email sending activity failed, otherwise Success.</returns>
  37         /// <since_tizen> 3 </since_tizen>
  38         public static async Task<EmailSendResult> SendAsync(EmailMessage email)
  39         {
  40             var task = new TaskCompletionSource<EmailSendResult>();
  41             int ret = (int)EmailError.None;
  42             bool saveToSentBox = false;
  43
  44             email.FillHandle();
  45             email.Save();
  46
  47             int id = _callbackId++;
  48             _sendCbMap[id] = (IntPtr handle, int result, IntPtr userData) =>
  49             {
  50                 task?.SetResult((EmailSendResult)result);
  51                 _sendCbMap.Remove((int)userData);
  52             };
  53
  54             ret = Interop.Email.SetCb(email._emailHandle, _sendCbMap[id], (IntPtr)id);
  55             if (ret != (int)EmailError.None)
  56             {
  57                 Log.Error(EmailErrorFactory.LogTag, "Failed to set email incoming callback, Error code: " + (EmailError)ret);
  58                 _sendCbMap.Remove(id);
  59                 throw EmailErrorFactory.GetException(ret);
  60             }
  61
  62             ret = Interop.Email.SendEmail(email._emailHandle, saveToSentBox);
  63             if (ret != (int)EmailError.None)
  64             {
  65                 Log.Error(EmailErrorFactory.LogTag, "Failed to send email, Error code: " + (EmailError)ret);
  66                 _sendCbMap.Remove(id);
  67                 throw EmailErrorFactory.GetException(ret);
  68             }
  69
  70             var sendResult = await task.Task.ConfigureAwait(false);
  71             ret = Interop.Email.UnsetCb(email._emailHandle);
  72
  73             if (ret != (int)EmailError.None)
  74             {
  75                 Log.Error(EmailErrorFactory.LogTag, "Failed to set email incoming callback, Error code: " + (EmailError)ret);
  76                 throw EmailErrorFactory.GetException(ret);
  77             }
  78             return sendResult;
  79         }
  80
  81     }
  82 }